Triaryl phosphine-functionalized N-heterocyclic carbene ligands for Heck reaction

被引：110

作者：

Wang, AE ^{[1
]}

Xie, JH ^{[1
]}

Wang, LX ^{[1
]}

Zhou, QL ^{[1
]}

机构：

[1] Nankai Univ, State Key Lab, Inst Elementoorgan Chem, Tianjin, Peoples R China

来源：

TETRAHEDRON | 2005年 / 61卷 / 01期

基金：

中国国家自然科学基金;

关键词：

carbenes; Heck reaction; palladium; phosphine-functionalized;

D O I：

10.1016/j.tet.2004.10.049

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new type of triaryl phosphine-functionalized imidazolium salts 6 were prepared. Their palladium complexes, generated in situ, were successfully applied in the palladium-catalyzed Heck reaction. Using 1 mol% of Pd(dba)(2) and 10 mol% 6c in the presence of 2 equiv of K2CO3 in DMAc has proven to be highly efficient for the coupling of a wide array of aryl bromides and iodides with acrylates in excellent yield. The coupling of 4-bromotoluene with various styrene derivatives catalyzed by Pd/6c complex also gave good results. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：259 / 266

页数：8

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